Question

9,7-0,2х=1  решение должно быть

Answer 1

9,7-0,2х=1
-0.2х = 1 - 9.7
-0.2х = 0.3
х = -1.5

Answer 2

-0.2x = 1-9.7
-0.2x = - 8.7
x = -8.7 : (-0.2)
x= 87 : 2
x = 43.5